| Bad Nauheim to Navodari | 1,015.36 mi (1,634.06 km) |
| Bad Nauheim to Negresti-Oas | 684.40 mi (1,101.43 km) |
| Bad Nauheim to Nehoiu | 881.74 mi (1,419.02 km) |
| Bad Nauheim to Ocna Mures | 744.22 mi (1,197.70 km) |
| Bad Nauheim to Odobesti | 900.60 mi (1,449.38 km) |
| Bad Nauheim to Odorheiu Secuiesc | 808.00 mi (1,300.35 km) |
| Bad Nauheim to Oltenita | 941.48 mi (1,515.16 km) |
| Bad Nauheim to Onesti | 872.70 mi (1,404.48 km) |
| Bad Nauheim to Oradea | 641.02 mi (1,031.62 km) |
| Bad Nauheim to Orastie | 734.45 mi (1,181.99 km) |
| Bad Nauheim to Oravita | 703.67 mi (1,132.44 km) |
| Bad Nauheim to Orsova | 744.60 mi (1,198.31 km) |
| Bad Nauheim to Otelu Rosu | 711.66 mi (1,145.30 km) |
| Bad Nauheim to Otopeni | 900.51 mi (1,449.23 km) |
| Bad Nauheim to Ovidiu | 1,014.95 mi (1,633.40 km) |
